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Approach S70 42mm vs Forerunner 570 47mm

Garmin Approach S70 42mm vs Garmin Forerunner 570 47mm

What Approach S70 42mm does better (3) and where Forerunner 570 47mm wins (5) — every spec side by side.

Garmin · 2023Approach S70 42mm

4.4Score

3 advantages≈ $650

Garmin · 2025Forerunner 570 47mm

4.7Score

5 advantages≈ $550

Higher score

5.3Display6.5

2.7Battery life3.0

4.9Health tracking9.4

3.2Sports & outdoor5.5

6.5Smart features3.2

2.9Build & durability2.6

Dimensions

Size comparison

Approach S70 42mmForerunner 570 47mm

	Approach S70 42mm	Forerunner 570 47mm	Difference
Height	42 mm	47 mm	−5 mm
Width	42 mm	47 mm	−5 mm
Thickness	12.6 mm	12.9 mm	−0.3 mm
Weight	44 g	50 g	−6 g

Drawn to the same scale from the official dimensions (front and side).

Why is Approach S70 42mm better than Forerunner 570 47mm?

Storage16 GB vs 8 GB2×
Weight44 g vs 50 g+14%
Thickness12.6 mm vs 12.9 mm+2%

Why is Forerunner 570 47mm better than Approach S70 42mm?

Battery life (smartwatch mode)10 days vs 11 days+10%
GPS battery life15 h vs 18 h+20%
Sport profiles40 vs 832.1×
Screen size1.2″ vs 1.4″+17%
Resolution (width)390 px vs 454 px+16%

Specifications

Side by side

Only differences	Garmin Approach S70 42mm≈ $6504.4	Garmin Forerunner 570 47mm≈ $5504.7
Design & durability
Case size	42 mm	47 mm
Weight	44 g	50 g
Thickness	12.6 mm	12.9 mm
Height	42 mm	47 mm
Width	42 mm	47 mm
Case material	Ceramic	Aluminium
Sapphire crystal	No	No
Lens / cover glass	Corning ® Gorilla ® Glass 3	Corning® Gorilla® Glass 3
Strap material	silicone	silicone
Water resistance	5 ATM	5 ATM
Water rating (maker)	5 ATM	5 ATM
Display
Screen size	1.2″	1.4″
Display technology	AMOLED	AMOLED
Panel	AMOLED	AMOLED
AMOLED / OLED display	Yes	Yes
Always-on display	Yes	Yes
Touchscreen	Yes	Yes
Resolution (width)	390 px	454 px
Resolution (height)	390 px	454 px
Pixel density	325 ppi	324 ppi
Battery
Battery life (smartwatch mode)	10 days	11 days
GPS battery life	15 h	18 h
GPS battery life (dual-band)	—	14 h
Battery type	—	Lithium ion
Wireless charging	No	No
Charging	Garmin proprietary plug charger	Garmin proprietary plug charger
Health sensors
Optical heart rate	Yes	Yes
Blood oxygen (SpO2)	Yes	Yes
Skin temperature	—	Yes
Temperature sensor	—	Yes
HRV tracking	Yes	Yes
Sleep tracking	Yes	Yes
Sensors	GPS, GLONASS, Galileo, Elevate wrist heart rate monitor, Pulse Ox blood oxygen saturation monitor, Barometric altimeter, Compass, Gyroscope, Accelerometer, Ambient light sensor	GPS, GLONASS, Galileo, QZSS, BeiDou, SatIQ technology, Elevate wrist heart rate monitor, Pulse Ox blood oxygen saturation monitor, Barometric altimeter, Compass, Gyroscope, Accelerometer, Thermometer, Ambient light sensor
Sports & navigation
Built-in GPS	Yes	Yes
Dual-band GPS	—	Yes
Satellite systems	GLONASS, GALILEO	GLONASS, GALILEO, BDS, QZSS
Barometric altimeter	Yes	Yes
Compass	Yes	Yes
Multisport / triathlon mode	—	Yes
Sport profiles	40	83
Connectivity
NFC payments	Yes	Yes
Wi-Fi	Wi-Fi 4	Wi-Fi 4
ANT+ sensors	Yes	Yes
Smart features
Calls from the wrist	—	Yes
Speaker	—	Yes
Microphone	—	Yes
Voice assistant	—	Yes
Music on the watch	Yes	Yes
Storage	16 GB	8 GB
Third-party apps	Yes	Yes
Platform
Operating system	Garmin OS	Garmin OS
Platform	Proprietary	Proprietary
Works with	iOS, Android	iOS, Android